{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T15:01:18Z","timestamp":1780498878631,"version":"3.54.1"},"reference-count":10,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T00:00:00Z","timestamp":1770508800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T00:00:00Z","timestamp":1770508800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cardiovasc electrophysiol"],"published-print":{"date-parts":[[2026,4]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Most multipolar mapping catheters use a proximal magnetic sensor, risking distal positional error and slower point acquisition. We tested whether adding distal sensors improves speed and geometric fidelity vs. a conventional design.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>In a preclinical swine model, maps were acquired on EnSite X. For each region\u2014RA, RV, LA, LV, coronary sinus (CS), and epicardium (Epi)\u2014two maps were created in sequence (HD Grid X first, then HD Grid) and mapping time was recorded. To evaluate geometric accuracy, we sampled 12 predefined sites per chamber, arranged as 3 longitudinal levels (proximal, mid, distal) \u00d7 4 anatomical lines (anterior, lateral, posterior, septal). At each site, the orthogonal catheter\u2010to\u2010surface distance was measured on the HD Grid X map using a TACTIFLEX Ablation Catheter.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Across 33 paired maps (9 swine), mapping time was shorter with HD Grid X: 11.5 [8.1\u201313.6] vs. 15.3 [10.9\u201317.3] min;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001 (\u221224.8%), with significant reductions in RA, RV, and LV. In 243 paired points (5 swine), geometric accuracy was superior with HD Grid X: 0.5 [0.2\u20131.3] vs. 2.9 [2.1\u20134.2] mm;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.001, consistent across chambers and sub\u2010locations.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Distal magnetic sensors enable faster and more faithful geometry vs. a proximal\u2010sensor design.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jce.70284","type":"journal-article","created":{"date-parts":[[2026,2,9]],"date-time":"2026-02-09T03:41:39Z","timestamp":1770608499000},"page":"854-858","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Distal Magnetic Sensors Eliminate Geometric Inaccuracy and Accelerate Mapping: A Preclinical Validation of a Novel Grid\u2010Style Catheter"],"prefix":"10.1111","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6901-6364","authenticated-orcid":false,"given":"Ryosuke","family":"Kato","sequence":"first","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"},{"name":"Department of Cardiovascular Medicine Akita University Graduate School of Medicine Akita Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8473-7514","authenticated-orcid":false,"given":"Masateru","family":"Takigawa","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"},{"name":"Division of Advanced Arrhythmia Research Institute of Science Tokyo Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iwanari","family":"Kawamura","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaki","family":"Honda","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miho","family":"Negishi","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryo","family":"Tateishi","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2441-3593","authenticated-orcid":false,"given":"Hidehiro","family":"Iwakawa","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Akita University Graduate School of Medicine Akita Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kazuya","family":"Yamao","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kentaro","family":"Goto","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takuro","family":"Nishimura","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susumu","family":"Tao","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D. V. M.","family":"Sayaka Suzuki","sequence":"additional","affiliation":[{"name":"Japan Small Animal Medical Center Saitama Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takehiro","family":"Iwanaga","sequence":"additional","affiliation":[{"name":"Animal Research Facilities, Bioscience Center Research Infrastructure Management Center, Institute of Science Tokyo Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0230-0934","authenticated-orcid":false,"given":"Shinsuke","family":"Miyazaki","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"},{"name":"Division of Advanced Arrhythmia Research Institute of Science Tokyo Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8690-2416","authenticated-orcid":false,"given":"Hiroyuki","family":"Watanabe","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Akita University Graduate School of Medicine Akita Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tetsuo","family":"Sasano","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine Institute of Science Tokyo Hospital Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,2,8]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCEP.116.004155"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.123.065525"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCEP.119.007273"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCEP.117.006019"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2021.03.038"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2018.07.020"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacep.2022.05.010"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2024.03.002"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.hrthm.2015.05.019"},{"key":"e_1_2_10_11_1","unstructured":"O.TalcothandT.Rylander Optimization of Sensor Positions in Magnetic Tracking. Technical Report R015\/2011 (Department of Signals and Systems Chalmers University of Technology.2011)."}],"container-title":["Journal of Cardiovascular Electrophysiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/jce.70284","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1111\/jce.70284","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/jce.70284","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,6,3]],"date-time":"2026-06-03T14:02:29Z","timestamp":1780495349000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/jce.70284"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,2,8]]},"references-count":10,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2026,4]]}},"alternative-id":["10.1111\/jce.70284"],"URL":"https:\/\/doi.org\/10.1111\/jce.70284","archive":["Portico"],"relation":{},"ISSN":["1045-3873","1540-8167"],"issn-type":[{"value":"1045-3873","type":"print"},{"value":"1540-8167","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,2,8]]},"assertion":[{"value":"2025-10-31","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-01-29","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-02-08","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}